Home / 5,459.60-8,187.24-1,994.96

Finding the Fourth Proportional to 5,459.60, 8,187.24 and 1,994.96

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Solution

The fourth proportional to 5,459.60, 8,187.24 and 1,994.96 is: 2,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.60 : 8,187.24 = 1,994.96 : x
  2. Step 2: Convert to fraction form
    5,459.60/8,187.24 = 1,994.96/x
  3. Step 3: Cross multiply
    5,459.60x = 8,187.24 × 1,994.96
  4. Step 4: Simplify right side
    5,459.60x = 16,333,216.31
  5. Step 5: Solve for x
    x = 16,333,216.31/5,459.60
  6. Step 6: Final answer
    x = 2,991.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.